- Automatically generates puzzles. All puzzles have a unique solution, that can be solved without guessing
- 5 levels of difficulty - Very Easy, Easy, Medium, Hard and Very Hard
- Let you play your own puzzle. Useful when copying puzzles from newspapers or magazines. Sudoku Master solver is fast and efficient
- Support for pencil marks
- Show or hide highlights for invalid entries
- Highlights selected digit to visualize their position
- Support branching to test solutions
- Unlimited undo
- Full keyboard and mouse support
- Printing support – you can print a booklet of Sudoku puzzles to take with you
- Very intuitive
- Keep best scores
